Home / 97,714.30-146,571.45-91,809.40

Finding the Fourth Proportional to 97,714.30, 146,571.45 and 91,809.40

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Solution

The fourth proportional to 97,714.30, 146,571.45 and 91,809.40 is: 137,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,714.30 : 146,571.45 = 91,809.40 : x
  2. Step 2: Convert to fraction form
    97,714.30/146,571.45 = 91,809.40/x
  3. Step 3: Cross multiply
    97,714.30x = 146,571.45 × 91,809.40
  4. Step 4: Simplify right side
    97,714.30x = 13,456,636,881.63
  5. Step 5: Solve for x
    x = 13,456,636,881.63/97,714.30
  6. Step 6: Final answer
    x = 137,714.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.